How Robert Stephenson's Strikeouts Per 9 Innings Compares to Similar Players
Robert Stephenson has posted a career Strikeouts Per 9 Innings of 10.0, well above the relief pitcher average of 6.36 — a mark that ranks among the best of his generation. His best Strikeouts Per 9 Innings season came in 2023, posting 13.24, well above the relief pitcher average of 9.38 that year. The lowest point came in 2016 at 7.54, below the relief pitcher average of 8.89 that year. Production has slipped over the most recent seasons. The figure has moved from 8.53 in 2022 to 13.24 in 2023 and 9.0 in 2025. The slide has continued into 2025, with the production level an open question entering 2026. Some season-to-season variance runs through the career line, but the career average has remained well above league norms across 8 seasons.
Robert Stephenson Lifetime Strikeouts Per 9 Innings
Stats similar to Strikeouts Per 9 Innings for Robert Stephenson
| Robert Stephenson
Strikeouts Per 9 Innings |
|---|
| Career | 10 |
| Season Avg. | 10 |
| 162 Game Avg. | 10 |
| More Info | See More |
Robert Stephenson Strikeouts Per 9 Innings Per Season
Robert Stephenson's Strikeouts Per 9 Innings for each season of his MLB career, plotted against that year's league average. Switch between comparisons — American League, Hall of Fame, RP, North America, or players born in the same country — to see how he stacked up year by year.
Robert Stephenson Strikeouts Per 9 Innings by Team
Robert Stephenson's career Strikeouts Per 9 Innings totals broken down by each team he played for, ordered by when he first joined that team.
Robert Stephenson Strikeouts Per 9 Innings Year-Over-Year Change
A waterfall chart tracking how Robert Stephenson's career Strikeouts Per 9 Innings shifted from season to season. Each bar represents the change added to his career total that year, making peak and decline phases easy to spot.
Robert Stephenson Strikeouts Per 9 Innings Distribution vs. Comparable Players
Each box summarizes Robert Stephenson's seasonal Strikeouts Per 9 Innings alongside a selected comparison group across all seasons he played. The box covers the middle 50% of seasons, the center line is the median, and the whiskers extend to the min and max. A tighter box means more consistency; a higher median means more output. Use the selector to switch comparison groups.
Robert Stephenson Strikeouts Per 9 Innings — Season-by-Season Breakdown
Every season of Robert Stephenson's MLB career with Strikeouts Per 9 Innings alongside league, Hall of Fame, positional, birth region, and country-of-birth averages for that year. Career totals include sum, average, min, max, and median.
Note: A dash (—) means no qualifying players existed in that comparison group for that season. Most commonly this happens for the Hall of Fame group.
